Princess is pregnant with puppies; Stan is both nervous and thrilled about becoming a dad.

After Grandma hears Stan talking while babysitting the children, she begins to think that she is going crazy, prompting the children to decide whether or not they should share Stan’s secret with Grandma.

Avery refuses to help the family with their annual haunted house.

Stan has a crush on the new neighborhood dog, Princess, but he has to figure out how to get past her owner, who is a pretentious schoolmate of Avery's.

Avery, Tyler, & Chloe discover that Stan isn't talking, so they must figure out why without their parents discovering the secret.

On the first day of school, Avery feels insecure when noticing her classmates' growth spurts over the summer; Tyler reveals a new haircut.

When Tyler decides to try and get Nikki back as his girlfriend, Avery is hesitant to help him for fear of being caught between her friend and brother, but ultimately intervenes.

Tyler makes a commercial for his boss' food truck business.

Stan's blog is accidentally submitted as Bennett's latest book and the kids must work together to protect Stan's secret.

Avery becomes worried when she has a recurring dream that she and Karl are boyfriend and girlfriend. Meanwhile, Chloe wants to give up choir to become a BMX bike rider like Tyler.

After running over a neighbor's lawn gnome, Avery asks Tyler to help her prep for her driving test. Meanwhile, Chloe's afraid that getting older will jeopardize her title as "the cute one."

When Ellen's self-obsessed sister comes over, due to a flight delay to Hawaii, Avery tries to help her mom to get through the visit. Meanwhile Stan, Tyler, and Chloe attempt to hide a stray dog named Sparky in the house for Christmas.

Wealthy business tycoon Tom Fairbanks wants to buy Stan from the James-Jennings family to use him as a spokes-dog for his animal rescue campaign. Fearful that Bennett and Ellen might say yes, Avery, Tyler and Chloe hire actors to play their parents and turn down the offer before they are approached.

When Ellen and Bennett overhear Stan talking, the kids go to great lengths to convince their parents the house is haunted to help keep Stan's secret.

Avery becomes jealous when Stan spends the night at Karl's house. Meanwhile, Bennett gets Chloe hooked on wrestling.

Avery and Chloe get into a fight after Chloe discovers that Avery is using her to get closer to a boy she likes.

Avery has a huge crush on a boy named Dustin Pitt, and in order to spend time with him she enlists the help of Tyler, who in turn wants her to help him spend time with Nikki. Avery and Dustin end up watching a movie together and later with Stan's help, Avery tells Dustin she likes him. Dustin likes her back and asks her out. Meanwhile, Chloe and Stan play chess (Chloe's version of chess) while Tyler has a mustache glued to his face.

Avery arrives at school and learns that she's been left out of "ditch day."

After Tyler, Avery, and Chloe have to hang out with their annoying neighbor, Karl, they quickly come up with a plan to keep him away.

Avery is excited to attend the school dance with Wes and secretly seeks dance lessons from her neighbor, Karl. However, things do not turn out as planned when Wes becomes suspicious of Avery spending so much time with Karl.

Stan unintentionally gets Avery and Wes to break up and try to get them back together.

Karl, the James-Jennings’ family neighbor, reveals to the kids that he knows Stan’s secret.

Stan's former owner, Ian, arrives from Spokane, Washington, to reclaim Stan. He tells Stan he found his original family and they can all talk too. So Stan has to choose between his old family and his new family.

On Avery's first day of high school, Tyler ropes her into his senior prank that ultimately gets them both expelled.

In an effort to teach the James-Jennings kids the true meaning behind Christmas, Stan hides all of the holiday presents from the family, ultimately teaching them a greater lesson about giving back to others.